William Rollow, MD, MPH, ABIHM


Dr. Rollow received a BA in psychology from Harvard University in 1973, an MD from Stanford Medical School in 1977, and an MPH from University of Michigan in 1986. He completed a residency in Family Medicine at Cook County Hospital in Chicago in 1980. He is certified by the American Board of Holistic and Integrative Medicine. He is Adjunct Professor in Family and Community Medicine at the University of Maryland, and formerly directed the University of Maryland Center for Integrative Health and Healing.

Specialized Clinical Interests

Dr. Rollow provides primary or consultative care to adult and pediatric patients using a functional medicine approach.  He has a particular interest in cognitive and psychiatric disorders, including dementia (based on Dale Bredesen’s protocol), infectious (Lyme and other tick-borne illnesses), autism, and anxiety/depression (using nutrient and psychodynamic consultation).

Personal Statement

I am deeply grateful for the opportunity to connect with and learn from my relationship with you. I approach each encounter with the intent to understand the underlying issues that are affecting your life and your health. I see my role as to provide guidance among the multitude of options that are available during your healing process, and to be with you as it evolves.


Tammy Jett-Parmer, PA-C


Tammy Jett-Parmer PA-C is a certified physician assistant.  She has a BS in Psychology from the University of Illinois, and attended Maryland’s first PA program, now located at Towson University.  Due to her own health issues discovered in 2007, and subsequent recovery with help from a functional medicine doctor, she shifted her clinical focus to encompass the best in integrative and environmental care for her patients.

Specialized Clinical Interests

Tammy’s practice at IHP builds upon her experience in integrative medicine, and includes bioidentical hormone therapy, hormonal and autoimmune thyroid care, restoring proper gut functioning, enhancing energy levels, and stress reduction. Tammy especially enjoys the discovery process and does the necessary detective work to get to the individual’s root cause of symptoms.

Recently Tammy completed a post-baccalaureate certificate in Herbal Studies with the Maryland University of Integrative Medicine, as well as an exercise nutrition certification (Pn1) through Precision Nutrition. She is also a certified health and wellness coach (CHWC). A dedicated and perpetual student with a deep love of learning, Tammy also balances her life with a dedicated meditation practice and Nia dance.

Personal Statement

I feel grateful to be able to continue my practice with Integrative Health Practices LLC.  I have a deep love of learning and true curiosity which informs my ability to get to the root causes of illness.   My own journey of learning in the field of integrative and functional medicine has reflected both personal healing and enfoldment, as well as true perspective change.  I am aware of how powerful the journey of transformation can be for anyone walking on the path of healing.  I am here to support and guide you every step of the way.

Maria Shesiuk, PA-C

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Physician Assistant, Personal Trainer, Yoga Instructor

Maria Shesiuk PA-C received a BS in psychology from Wayne State University in 2010 and MS in Physician Assistant studies from the Towson CCBC PA program in 2012, with hospital-based experience in medical coverage of multiple surgical specialties.  She is an NASM certified personal trainer and a Yoga Alliance certified yoga teacher, and a competitive Olympic weight-lifter.

Specialized Clinical Interests

At IHP Maria focuses on functional evaluation, prevention, and treatment of patients with chronic medical conditions, with a particular interest in addressing them with low carbohydrate, ketogenic, and animal-based diets.  She also sees patients who are seeking to optimize physical and cognitive performance.  Her professional and personal experience has taught her the importance of physical fitness, mindfulness practices, and self-realization in alleviating symptoms of most ailments.

Personal Statement

I hope to help you heal by treating the mind and body as one.  My desire is not to simply treat symptoms and manage illness, but to help you maximize your levels of energy and vitality so that you can truly enjoy life.  We have many powerful tools to help the body heal itself.  With an open mind and a large dose of curiosity I have used nutrition, herbs, and movement practices to heal myself and to help others do the same.  I view you as the practitioner and myself as your facilitator in healing.